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From: Adam Beneschan <adam@irvine.com>
Newsgroups: comp.lang.ada
Subject: Re: Single element arrays as function parameters
Date: Mon, 13 Jun 2011 07:49:55 -0700 (PDT)
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Date: 2011-06-13T07:49:55-07:00
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On Jun 11, 5:28=A0am, "Peter C. Chapin" <PCha...@vtc.vsc.edu> wrote:
> On Fri, 10 Jun 2011 22:11:49 +0200, Mart van de Wege wrote:
>
> > If I look at the language documentation, I'm guessing that this is
> > because a single element array does not get recognised as being of type
> > MM_Subtype, which is defined as
>
> > type MM_Subtype is array(Natural range <>) of Possible_MM_Subtype;
>
> > What *is* the best way to store an attribute which may be either a
> > single enumeration element or a list of enumeration elements?
>
> What about qualifying the aggregate:
>
> =A0 =A0MM_Subtype'(Dwarf)

No, that's still illegal.  Since MM_Subtype is an array subtype,
(Dwarf) has to have the syntax of an aggregate, which means you still
need a named association:

    MM_Subtype'(1=3D>Dwarf)

                                -- Adam